摘要:
The present invention provides a method for producing a pyrimidinylpyrazole compound (1), wherein aminoguanidine (2) or its salt is reacted with a β-diketone compound (3) to produce the pyrimidinylpyrazole compound: wherein R1 and R3 are each independently an alkyl group having 1 to 4 carbon atoms, and R2 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. The method is excellent in the environmental compatibility and economic efficiency.
摘要:
The present invention provides a method for producing a pyrimidinylpyrazole compound (1), wherein aminoguanidine (2) or its salt is reacted with a β-diketone compound (3) to produce the pyrimidinylpyrazole compound: wherein R1 and R3 are each independently an alkyl group having 1 to 4 carbon atoms, and R2 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. The method is excellent in the environmental compatibility and economic efficiency.
摘要:
The present invention provides a compound having an excellent inhibitory action on melanin production and being useful as a whitening agent, and a skin external preparation containing the compound. The whitening agent of the present invention comprises, as an active ingredient, a compound represented by formula (1) or a pharmacologically acceptable salt thereof: wherein X1, X2, and X3 are each CR2 or N; R1, R2, and R3 are each H, C1-6 alkyl, C1-6 alkoxy, SH, OH, or NRbRc, wherein Rb and Rc are each H, C1-6 alkyl, or hydroxy-C1-6 alkyl, or NRbRc forms a saturated or unsaturated 5- or 6-membered hetero ring; and B is a substituted or unsubstituted pyrazole, imidazole, pyridine, or piperidine; with the proviso that at least one of R1, R3, R4, and R6 is a group other than C1-3 alkyl in the case where X1═X2═Y1═N and X3═CR2.
摘要翻译:本发明提供对黑素生成具有优异抑制作用并可用作增白剂的化合物和含有该化合物的皮肤外用制剂。 本发明的增白剂作为活性成分,含有式(1)表示的化合物或其药理学上可接受的盐:其中,X1,X2,X3各自为CR2或N; R 1,R 2和R 3各自为H,C 1-6烷基,C 1-6烷氧基,SH,OH或NR b R c,其中R b和R c各自为H,C 1-6烷基或羟基-C 1-6烷基,或NR b R c 形成饱和或不饱和的5-或6-元杂环; B是取代或未取代的吡唑,咪唑,吡啶或哌啶; 条件是在X1 = X2 = Y1 = N和X3 = CR2的情况下,R 1,R 3,R 4和R 6中的至少一个为不是C 1-3烷基的基团。
摘要:
An invisible information embedding apparatus for embedding invisible information at a position in an obtained image includes an image analysis unit configured to obtain object information and positional information of an object included in the image, an embedding target image determining unit configured to determine whether the image is an embedding target based on the object information obtained by the image analysis unit, and an image synthesizing unit configured to combine the image with the invisible information based on the determination result of the embedding target image determining unit.
摘要:
A hair growth promoting composition comprising, as an effective ingredient, a phenylacetonitrile derivative or a pharmacologically acceptable salt thereof expressed by the following Formula (I): wherein each of R1 and R2 is hydrogen atom, a C1-10 alkyl group, a C2-10 alkenyl group or C2-10 acyl group, or NR1R2 may be a heterocycle having 3-7 members; R3 is a C1-5 alkyl group; and each of R4, R5 and R6 is hydrogen atom or a C1-4 alkoxy group. The present invention provides a hair growth promoting composition having excellent effects on promoting hair regrowth, preventing or inhibiting hair loss, and the like in human by compounding above-specified phenylacetonitrile derivative as a effective ingredient thereto.
摘要翻译:一种毛发生长促进组合物,其包含由下式(I)表示的苯乙腈衍生物或其药理学上可接受的盐作为有效成分:其中R 1和R 2各自表示, SUP>是氢原子,C 1-10烷基,C 2-10链烯基或C 2-10酰基, 或NR 1 R 2可以是具有3-7个成员的杂环; R 3是C 1-5烷基; R 4,R 5和R 6中的每一个为氢原子或C 1-4烷氧基 。 本发明提供一种通过将上述规定的苯乙腈衍生物作为有效成分配合而具有对促进毛发再生,预防或抑制脱发等的效果的毛发生长促进组合物。
摘要:
The present invention provides a compound having an excellent inhibitory action on melanin production and being useful as a whitening agent, and a skin external preparation containing the compound. The whitening agent of the present invention comprises, as an active ingredient, a compound represented by formula (1) or a pharmacologically acceptable salt thereof: wherein, R1, R3, R4, and R6 are each independently C1-3 alkyl; and R2 and R5 are each independently a hydrogen atom or C1-3 alkyl.
摘要:
The present invention provides a compound having an excellent inhibitory action on melanin production and being useful as a whitening agent, and a skin external preparation containing the compound. The whitening agent of the present invention comprises, as an active ingredient, a compound represented by formula (1) or a pharmacologically acceptable salt thereof: wherein X1, X2, and X3 are each CR2 or N; R1, R2, and R3 are each H, C1-6 alkyl, C1-6 alkoxy, SH, OH, or NRbRc, wherein Rb and Rc are each H, C1-6 alkyl, or hydroxy-C1-6 alkyl, or NRbRc forms a saturated or unsaturated 5- or 6-membered hetero ring; and B is a substituted or unsubstituted pyrazole, imidazole, pyridine, or piperidine; with the proviso that at least one of R1, R3, R4, and R6 is a group other than C1-3 alkyl in the case where X1═X2═Y1═N and X3═CR2.
摘要翻译:本发明提供对黑素生成具有优异抑制作用并可用作增白剂的化合物和含有该化合物的皮肤外用制剂。 本发明的增白剂作为活性成分,含有式(1)表示的化合物或其药理学上可接受的盐:其中,X1,X2,X3各自为CR2或N; R 1,R 2和R 3各自为H,C 1-6烷基,C 1-6烷氧基,SH,OH或NR b R c,其中R b和R c各自为H,C 1-6烷基或羟基-C 1-6烷基,或NR b R c 形成饱和或不饱和的5-或6-元杂环; B是取代或未取代的吡唑,咪唑,吡啶或哌啶; 条件是在X1 = X2 = Y1 = N和X3 = CR2的情况下,R 1,R 3,R 4和R 6中的至少一个为C 1-3烷基以外的基团。
摘要:
The present invention provides a compound having an excellent inhibitory action on melanin production and being useful as a whitening agent, and a skin external preparation containing the compound. The whitening agent of the present invention comprises, as an active ingredient, a heterocyclic compound represented by formula (1) or a pharmacologically acceptable salt thereof: wherein A is C1-6 alkyl, C5-6 cycloalkyl, benzyl, benzylcarbonyl, benzoyl, phenyl, pyridyl or pyrimidyl; Ra is H, C1-6 alkyl, or C2-6 alkenyl; “” represents a single bond or a double bond wherein n=1 or 2; Y is S or O; and R3 and R4 are each independently H, C1-6 alkyl, hydroxy-C1-6 alkyl, C2-7 acyl, phenyl, pyridyl, pyrimidyl, etc.;with the proviso that at least one R3 is a group other than C1-3 alkyl in the case where: the hetero ring containing Y is a thiazoline ring; R4═Ra═H; X1═X2═CH; and either p =0 or R5═C1-6 alkyl.
摘要:
An invisible information embedding apparatus for embedding invisible information at a position in an obtained image includes an image analysis unit configured to obtain object information and positional information of an object included in the image, an embedding target image determining unit configured to determine whether the image is an embedding target based on the object information obtained by the image analysis unit, and an image synthesizing unit configured to combine the image with the invisible information based on the determination result of the embedding target image determining unit.
摘要:
The present invention provides a compound having an excellent inhibitory action on melanin production and being useful as a whitening agent, and a skin external preparation containing the compound. The whitening agent of the present invention comprises, as an active ingredient, a heterocyclic compound represented by formula (1) or a pharmacologically acceptable salt thereof: wherein R1, R2, and R2′ are each independently C1-3 alkyl; Y is S or O; and p is an integer of 0 to 3, wherein when p is 2 or 3, R1 may be the same or different.